Home / 863,240.56-1,191,245.88-476,055.78

Finding the Fourth Proportional to 863,240.56, 1,191,245.88 and 476,055.78

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Solution

The fourth proportional to 863,240.56, 1,191,245.88 and 476,055.78 is: 656,942.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,240.56 : 1,191,245.88 = 476,055.78 : x
  2. Step 2: Convert to fraction form
    863,240.56/1,191,245.88 = 476,055.78/x
  3. Step 3: Cross multiply
    863,240.56x = 1,191,245.88 × 476,055.78
  4. Step 4: Simplify right side
    863,240.56x = 567,099,486,575.19
  5. Step 5: Solve for x
    x = 567,099,486,575.19/863,240.56
  6. Step 6: Final answer
    x = 656,942.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.